Illinois Turf Pesticide Test 2025
Questions and Answers
Acidic Soil - ....ANSWER ...-A soil with pH value of less than 7.0
Active Ingredient - ....ANSWER ...-the portion of the pesticide formulation that is
effective against the target
Adjuvant - ....ANSWER ...-A chemical added to a pesticide formulation or mixture
to modify the physical properties or enhance performance
Aesthetic Injury - ....ANSWER ...-damage caused to the appearance of the plant
Agitation - ....ANSWER ...-the continuous mixing of the pesticide and the carrier
in the spray tank
Alkaline Soil - ....ANSWER ...-A soil with a pH value greater than 7.0
Alternate (leaf arrangement) - ....ANSWER ...-One leaf at each node of stem
Annual Weed - ....ANSWER ...-A weed that completes its life cycle in one year and
is usually perpetuated only by seed.A summer annual germinates in the spring,flowers
and produces seed in mid to late summer,dies in fall.A winter annual germinates in
fall,flowers and produces seed in mid to late spring,and dies in summer
Antagonism - ....ANSWER ...-the reduction in effectiveness of one or more
pesticide components when two or more pesticides are combined
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1
, Application Rate - ....ANSWER ...-the amount of spray material applied to a given
area
Auricles - ....ANSWER ...-Earlike extensions from the base of a grass leaf blade
around the shoot
Backpack Sprayer - ....ANSWER ...-A sprayer apparatus, carries on the operater's
back,consisting of a spray solution tank, pressure source,and an atomizing device that
forms and distributes the spray.Spray pressure is supplies by a lever-operated manual
pump,an engine powered pump, or a compresses air tank.
Bacterium - ....ANSWER ...-A microscopic, single celled organism that reproduces
by dividing in half.Some bacteria attack plants,causing crown gall,wilts,cankers,rots,leaf
spots,blights, and other plant diseases
Band application - ....ANSWER ...-Application made as a band over,or parallel to a
crop row.
Biennial weed - ....ANSWER ...-A weed that lives for 2 years.Biennials form a
rosette in their first year of life, then produces seed and die in the second year
Boom - ....ANSWER ...-A structure on which nozzles are mounted to make
broadcast or banded application over a larger area.
Broadcast application - ....ANSWER ...-An application made uniformly over an
entire area.
Buffer - ....ANSWER ...-A substance that is so strongly and thoroughly acidic or
alkaline that it greatly resist change to another pH
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 2
Questions and Answers
Acidic Soil - ....ANSWER ...-A soil with pH value of less than 7.0
Active Ingredient - ....ANSWER ...-the portion of the pesticide formulation that is
effective against the target
Adjuvant - ....ANSWER ...-A chemical added to a pesticide formulation or mixture
to modify the physical properties or enhance performance
Aesthetic Injury - ....ANSWER ...-damage caused to the appearance of the plant
Agitation - ....ANSWER ...-the continuous mixing of the pesticide and the carrier
in the spray tank
Alkaline Soil - ....ANSWER ...-A soil with a pH value greater than 7.0
Alternate (leaf arrangement) - ....ANSWER ...-One leaf at each node of stem
Annual Weed - ....ANSWER ...-A weed that completes its life cycle in one year and
is usually perpetuated only by seed.A summer annual germinates in the spring,flowers
and produces seed in mid to late summer,dies in fall.A winter annual germinates in
fall,flowers and produces seed in mid to late spring,and dies in summer
Antagonism - ....ANSWER ...-the reduction in effectiveness of one or more
pesticide components when two or more pesticides are combined
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1
, Application Rate - ....ANSWER ...-the amount of spray material applied to a given
area
Auricles - ....ANSWER ...-Earlike extensions from the base of a grass leaf blade
around the shoot
Backpack Sprayer - ....ANSWER ...-A sprayer apparatus, carries on the operater's
back,consisting of a spray solution tank, pressure source,and an atomizing device that
forms and distributes the spray.Spray pressure is supplies by a lever-operated manual
pump,an engine powered pump, or a compresses air tank.
Bacterium - ....ANSWER ...-A microscopic, single celled organism that reproduces
by dividing in half.Some bacteria attack plants,causing crown gall,wilts,cankers,rots,leaf
spots,blights, and other plant diseases
Band application - ....ANSWER ...-Application made as a band over,or parallel to a
crop row.
Biennial weed - ....ANSWER ...-A weed that lives for 2 years.Biennials form a
rosette in their first year of life, then produces seed and die in the second year
Boom - ....ANSWER ...-A structure on which nozzles are mounted to make
broadcast or banded application over a larger area.
Broadcast application - ....ANSWER ...-An application made uniformly over an
entire area.
Buffer - ....ANSWER ...-A substance that is so strongly and thoroughly acidic or
alkaline that it greatly resist change to another pH
…FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 2
